Critical Thinking: Definition
Critical thinking is the process of analyzing and evaluating truth claims that is grounded in logically valid arguments, sound reasoning, appropriate standards of evidence, and a pragmatic understanding of cognitive errors and biases; and the ability to apply these to the systematic analysis of problems in order to obtain credible solutions.

Evidence
Evidence is that which justifies belief or what is reasonable for one to believe. The nature of evidence, evidence criteria, evaluating sources and context, relevance to the argument, degree of support for the argument, etc.

Cognitive Biases & Errors
Cognitive biases are tendencies to think in certain ways that can lead to systematic deviations from a standard of rationality or good judgment. Examples include decision-making, belief, and behavioral biases such as Backfire Effect, Confirmation Bias, Dunning-Kreuger Effect, Pareidolia, Stereotyping, etc; social biases such as Authority Biase, In-Group Bias, Just-World Hypothesis; memory errors and biases such as False Memory, Hind-Sight Bias, Suggestibility, etc.; and psychological effects such as the Placebo Effect, McGurk Effect, inattentional blindness, etc

Problem Solving
The ability to apply reasoning & arguments, the appropriate evaluation of facts and evidence, and the pragmatic understanding of cognitive errors & biases to the systematic analysis of problems in order to obtain credible solutions